andyselec

there should be a drain tube under the car that is clogged . they make a cleaner for them Amazon.com : car ac evaporator cleaner

It depends where the car is from any coastal or snowy area probably not a good deal to many undercarriage rust issues. Mine was from the south so it is good to go 2000 RX300 260000 miles and it is our highway car just did a 1500 mile weekend trip from NC to NY. I do keep up with maintenance myself because these are simple cars to work on.